phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8bbb2ca0f171886e8b03723a8d628701', -1, 1716504837, 1716504837, '0387c9d1', -7, 0, 0)

Line : 187
File : sessions.php